| Label | Element | Value |
|---|---|---|
| Innovator Growth-100 Power Buffer ETF™ - August | Invesco QQQ Trust Series 1, Expiration: 07/31/2026; Exercise Price: $5.65 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 106.20% |
| Innovator Growth-100 Power Buffer ETF™ - August | Invesco QQQ Trust Series 1, Expiration: 07/31/2026; Exercise Price: $565.01 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 0.80% |
| Innovator Growth-100 Power Buffer ETF™ - August | Invesco QQQ Trust Series 1, Expiration: 07/31/2026; Exercise Price: $480.26 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (0.30%) |
| Innovator Growth-100 Power Buffer ETF™ - August | Invesco QQQ Trust Series 1, Expiration: 07/31/2026; Exercise Price: $648.35 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (6.90%) |